The word "smiling" doesn't fit because the other three words are related to the sense of hearing.
View page
See related link.
View page
clipcollections
View page
Business-related individual criminal activities are normally
broken down into two categories: internal and external.
View page
The December final categories can be found under the related
question that is updated after each program has aired. It link to
the related question can be found below the answer information